Patents by Inventor Robert T. Keaten

Robert T. Keaten has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of 1-halo-3-trialkysilanyl-benzene derivatives
    Patent number: 5486638
    Abstract: The present invention relates to a novel process for preparing 1-halo-3-trialkylsilanyl-benzenes from 1,3-dihalo-benzenes which are useful intermediates in the preparation of 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanones which are useful for the treatment of Alzheimer's disease and senile dementia.
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: January 23, 1996
    Assignee: Marion Merrell Dow Inc.
    Inventors: Dennis K. Klipa, Robert T. Keaten